Which of the following is true of property ownership in the United States?

• You may own property even if the legal system does not recognize your right to do so.
• Animals and humans both have the right to own property.
• Property ownership is primarily defined at the state level.
• Property must be tangible in order for the legal system to recognize ownership.

Which of the following is an important purpose of intellectual property rights?

• To encourage inventors to form monopolies
• To advance the public good by encouraging invention
• To prevent others from ever copying an inventor's product
• To promote capitalism and make inventors rich